Home / 11,147.17-16,726.20-4,906.40

Finding the Fourth Proportional to 11,147.17, 16,726.20 and 4,906.40

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Solution

The fourth proportional to 11,147.17, 16,726.20 and 4,906.40 is: 7,362.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,147.17 : 16,726.20 = 4,906.40 : x
  2. Step 2: Convert to fraction form
    11,147.17/16,726.20 = 4,906.40/x
  3. Step 3: Cross multiply
    11,147.17x = 16,726.20 × 4,906.40
  4. Step 4: Simplify right side
    11,147.17x = 82,065,427.68
  5. Step 5: Solve for x
    x = 82,065,427.68/11,147.17
  6. Step 6: Final answer
    x = 7,362.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.